X 2 16x 63 0 July 8, 2019 16 32 64 128 X 2 16x 63 0 complete the square X 4 16x 2 63 0 Factor x 2 16x 63 0 Solve x 2 16x 63 0 X 2 − 16x 63 ≤ 0 Rewrite the equation by completing the square x 2 - 16x 63 0